
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $183 (CheapOair) |
One-way from | $99 (Super.com) |
Popular in | July |
Cheapest in | April |
Average price | $267 |
Good round-trip deal | $284 or less |
Good one-way deal | $198 or less |
Fly from
Fly to
Route
Depart
Return
Price
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Tue 5/12
6:49 am-9:11 am
Nonstop4h 22m
Seattle/Tacoma Intl
Sat 5/16
5:30 pm-11:35 pm
Nonstop4h 05m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sat 4/18
6:00 am-8:29 am
Nonstop4h 29m
Seattle/Tacoma Intl
Tue 4/21
5:58 pm-11:59 pm
Nonstop4h 01m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Fri 3/27
6:00 am-8:29 am
Nonstop4h 29m
Seattle/Tacoma Intl
Sun 4/12
5:58 pm-11:59 pm
Nonstop4h 01m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Mon 4/6
6:20 am-8:43 am
Nonstop4h 23m
Seattle/Tacoma Intl
Thu 4/9
5:59 pm-11:55 pm
Nonstop3h 56m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Tue 3/31
9:00 am-11:32 am
Nonstop4h 32m
Seattle/Tacoma Intl
Sat 4/11
5:58 pm-11:59 pm
Nonstop4h 01m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sat 3/7
6:00 am-8:34 am
Nonstop4h 34m
Seattle/Tacoma Intl
Sat 3/14
7:45 am-4:39 pm
1 stop6h 54m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sat 4/18
6:00 am-8:29 am
Nonstop4h 29m
Seattle/Tacoma Intl
Sat 4/25
5:51 pm-11:59 pm
Nonstop4h 08m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sat 5/9
6:49 am-9:11 am
Nonstop4h 22m
Seattle/Tacoma Intl
Tue 5/19
5:30 pm-11:35 pm
Nonstop4h 05m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Wed 4/15
6:30 am-8:54 am
Nonstop4h 24m
Seattle/Tacoma Intl
Thu 4/23
9:30 am-3:37 pm
Nonstop4h 07m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sat 4/18
6:30 am-8:54 am
Nonstop4h 24m
Seattle/Tacoma Intl
Sun 4/26
9:30 am-3:37 pm
Nonstop4h 07m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, March is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Seattle (average of $89). Flying from Dallas/Fort Worth Airport to Seattle in September is currently the most expensive (average of $162). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Dallas/Fort Worth Airport to Seattle in the morning. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the evening.
Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Seattle flight should consider departing on Friday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 21% of weekly flights between Dallas and Seattle have experienced delays in the past year, with the average delay time being 159 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Frontier have had the lowest number of delays on this route, with just 12% of flights being delayed.
Denver (DEN) – chosen by Cheapflights users on 90% of 1-stop itineraries from Dallas/Fort Worth Airport to Seattle on Cheapflights.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $180.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 8h 10m.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 1h 58m.
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Anonymous,Dec 2025
SJC - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$76 | Average$152 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$82 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$269 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$121 | Average$279 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$169 | Average$306 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$180 | Average$314 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$180 | Average$291 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$185 | Average$330 | FlexibilityNo cancel fee | On-time71% |